Was trial counsel's abandonment of a readily available alibi defense a violation of petitioner's Sixth Amendment right?

QUESTIONS) PRESENTED . . , 4 ID THE SUPERIOR GougT FAIL To oe ANALYSES PETITNER CLAIM UNDER | THE PRESUMPTION OF PREJUDICE | oo STANDARD UNDER GRoNIC ? So 2, WAS TRIAL GOUNSEL ABANDWHENT = OF A READILY AVAILABLE ALIBI | | DEFENSE IN PLACE OF NO DEFENSE | oe A VIGLATION. OF PETITIONER TNALIENABLE , | oe RIGHT UNDER THE SIXTH AND FOURTEENTH a AMENDMENTS ? a | 7 i oo